Thoracic viscera.

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Presentation transcript:

Thoracic viscera

Plural Cavities Figure 1.9

Development of serousal cavities

Development of Pleural cavities

Hemo-thorax

Pneumo-thorax Lung: collapse

Mediastinum Figure 1.9

Heart Covering Pericardial physiology Protects and anchors heart Prevents overfilling Figure 17.2

External Heart: Anterior View Figure 17.4b

External Heart: Posterior View Figure 17.4d

External Heart: Anterior View Figure 17.4b

External Heart: Anterior View Figure 17.4b

Heart Valves Figure 17.9

Heart Valves Figure 17.10

External Heart: Posterior View Figure 17.4d

Figure 17.4b

Pathway of Blood through the Heart and Lungs Figure 17.5

Relative thickness of muscular walls

“EKG” (or ECG, electrocardiogram) Electrical depolarization is recorded on the body surface P wave=atrial depolarization QRS=ventricular depolarization T wave=ventricular repolarization

Cardiac muscle (microscopic)

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